JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<div class='someClass'>Click me!!!</div>

CSS

div {
    color: blue;
}

JavaScript

$('div').click(function() {
    var theClass = $(this).attr('class');
    alert( theClass );
});